Letters

Evaluation is essential for all types of intervention

BMJ 2002; 324 doi: http://dx.doi.org/10.1136/bmj.324.7332.300a (Published 02 February 2002) Cite this as: BMJ 2002;324:300
  1. Peter D Taylor, general practitioner ([email protected])
  1. Pontesbury, Shropshire SY5 0RF

    EDITOR—Clark's plea for home visits by health visitors to be excluded from evaluation by randomised controlled trials cannot be accepted.1 His objections—the limitations of meta-analyses, the problems of confounding particularly where complex social factors are involved, and the selection of outcome measures—apply to many other interventions. The …

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